Heavy vehicle

Details Heavy vehicle Heavy vehicle

B - Operations, Transporting

62

D

B62D 61/10 (2006.01)

Patent

CA 2532000

The invention concerns a heavy vehicle (1) weighing more than 500 tons, such as a transport vehicle or a civil engineering machine equipped with radially structured tyres (2, 3, 4) of diameter greater than three and a half meters having an axial width more than 37 inches, comprising a front end assembly (7) provided with at least two tyres (4) and a rear end assembly (6) comprising at least four tyres (2, 3) and through which is transmitted at least part of the tractive force. The invention is characterized in that at least two tyres of the front end assembly transmit part of the tractive force at least when the vehicle follows a non rectilinear trajectory and at least when the vehicle follows a non rectilinear trajectory, the tyres of one assembly transmitting at least part of the tractive force, have different rotational speeds.

L'invention concerne un véhicule lourd (1) d'une masse supérieure à 500 tonnes, tel qu'un véhicule de transport ou un engin de « Génie Civil » équipé de pneumatiques (2,3,4) de structure radiale de diamètre supérieur à trois mètres cinquante présentant une largeur axiale supérieure à 37 pouces, comportant un train avant (7) muni d'au moins deux pneumatiques (4) et d'un train arrière (6) comportant au moins quatre pneumatiques (2,3) et par lequel est transmise au moins une partie de la motricité. Selon l'invention, au moins deux pneumatiques du train avant transmettent une partie de la motricité au moins lorsque le véhicule suit une trajectoire non rectiligne et au moins lorsque le véhicule suit une trajectoire non rectiligne, les pneumatiques d'un train transmettant au moins une partie de la motricité, présentent des vitesses de rotation différentes.

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